Tom Ward shot to the top of the timesheets as he beat Joe Francis by 0.658secs on a damp morning track with a best lap of 1min 42.698secs.
Charlie Nesbitt ended the opening session third, albeit some 2.467secs off Francis, with Ash Beech fourth and South Africa’s Bjorn Estment fifth.
Pirelli National Superstock Championship with MotoNovo, Oulton Park, FP1:
1. Tom Ward (IN Competition) 1min 42.698s
2. Joe Francis (Stauff Fluid Power Kawasaki) +0.658s
3. Charlie Nesbitt (VisionTrack Suzuki) +2.467s
4. Ash Beech (Jones Dorling Racing) +2.539s
5. Bjorn Estment (Specsavers Suzuki by Hawk Racing) +3.467s